Daily Math Challenge

Sharpen your math skills with a new problem every Tuesday to Friday. These daily challenges are perfect for those who enjoy quick, engaging puzzles.

Problem 1479

Posted: December 25, 2025

84 % of users got this correct

Identify all two-digit numbers such that both digits in the number are square numbers. One such possible two-digit number is 19 (both 1 and 9 are squares). For this problem, we consider zero a square number since 0 x 0 = 0. Find the sum of all such two-digit numbers.

View Past Problems